🛡️ CVE-2023-2640
🟠 CVSS 7.8 — High ⚠️ Exploit Public CWE-863 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks.

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-863
Public Exploit ⚠️ Yes
Source NVD
Published 2023-07-26
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
ubuntu-linux

Similar Threats

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